<?php 

    class Phone extends Persist
    {
        protected $id_person;
        protected $number;
        
        public function __construct()
        {
            $this->id_person          = new PInteger();
            $this->number             = new PVarchar();
    
            $this->parent_classes = array("Person");
        
            parent::__construct();
        }
    }

?>